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Rhythm Pharmaceuticals (RYTM) Institutional Ownership

Rhythm Pharmaceuticals logo
$63.83 -1.36 (-2.08%)
Closing price 03:59 PM Eastern
Extended Trading
$63.72 -0.11 (-0.18%)
As of 04:02 PM Eastern
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Institutional Ownership Changes (13F Filings) for Rhythm Pharmaceuticals (NASDAQ:RYTM)

Number of
Institutional Buyers
(last 12 months)
119
Total
Institutional Inflows
(last 12 months)
$386.50M
Number of
Institutional Sellers
(last 12 months)
65
Total
Institutional Outflows
(last 12 months)
$234.59M
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RYTM Institutional Buying and Selling by Quarter

Rhythm Pharmaceuticals Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/1/2025CWM LLC2,584$137K0.0%+92.3%0.004%
5/1/2025Xponance Inc.4,365$231K0.0%+4.7%0.007%
4/30/2025Alps Advisors Inc.46,207$2.45M0.0%-7.0%0.073%
4/30/2025China Universal Asset Management Co. Ltd.12,682$672K0.1%-2.7%0.020%
4/29/2025 Bank of New York Mellon Corp146,585$7.77M0.0%-1.1%0.232%
4/29/2025 GF Fund Management CO. LTD.1,573$83K0.0%+21.9%0.002%
4/28/2025 Principal Financial Group Inc.37,156$1.97M0.0%+0.7%0.059%
4/28/2025 Teacher Retirement System of Texas12,404$657K0.0%-8.7%0.020%
4/21/2025 Avior Wealth Management LLC4,589$243K0.0%N/A0.007%
4/17/2025 Exchange Traded Concepts LLC11,912$631K0.0%-3.7%0.019%
4/15/2025 Assenagon Asset Management S.A.22,192$1.18M0.0%N/A0.035%
4/15/2025 SG Americas Securities LLC19,667$1.04M0.0%N/A0.031%
4/14/2025 Harbor Capital Advisors Inc.77,297$4.09M0.2%+155.5%0.122%
4/14/2025 Wedge Capital Management L L P NC36,984$1.96M0.0%-23.6%0.058%
4/10/2025 Hennion & Walsh Asset Management Inc.89,622$4.75M0.2%-9.9%0.142%
4/8/2025 Rhumbline Advisers85,719$4.54M0.0%+3.6%0.136%
4/7/2025 GAMMA Investing LLC14,885$788K0.0%+7,305.5%0.024%
3/24/2025Wellington Management Group LLP25,555$1.43M0.0%-7.8%0.040%
3/18/2025California State Teachers Retirement System43,533$2.44M0.0%-0.9%0.069%
2/28/2025Universal Beteiligungs und Servicegesellschaft mbH76,084$4.26M0.0%N/A0.124%
2/19/2025 GF Fund Management CO. LTD.1,290$72K0.0%N/A0.002%
2/18/2025Castleark Management LLC18,390$1.03M0.0%-4.5%0.030%
2/18/2025Frazier Life Sciences Management L.P.1,869,808$104.67M4.3%-22.6%3.042%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC218,544$12.23M0.0%-3.0%0.356%
2/17/2025Voloridge Investment Management LLC380,537$21.30M0.1%+7.7%0.619%
2/17/2025Two Sigma Advisers LP13,100$733K0.0%+2.3%0.021%
2/17/2025State of Wyoming1,084$61K0.0%N/A0.002%
2/17/2025Stempoint Capital LP208,016$11.65M2.9%+404.1%0.338%
2/17/2025Rafferty Asset Management LLC50,394$2.82M0.0%-22.0%0.082%
2/17/2025ProShare Advisors LLC18,328$1.03M0.0%+31.3%0.030%
2/17/2025Nuveen Asset Management LLC146,903$8.22M0.0%-0.7%0.239%
2/17/2025OMERS ADMINISTRATION Corp7,600$425K0.0%N/A0.012%
2/17/2025Orbimed Advisors LLC400,000$22.39M0.5%-8.2%0.651%
2/17/2025Millennium Management LLC15,259$854K0.0%-58.7%0.025%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.33,156$1.86M0.0%+2.0%0.054%
2/17/2025Lazard Asset Management LLC106,261$5.95M0.0%N/A0.173%
2/17/2025Integral Health Asset Management LLC150,000$8.40M0.7%N/A0.244%
2/17/2025Janus Henderson Group PLC1,219,554$68.31M0.0%+103.9%1.984%
2/17/2025Gotham Asset Management LLC6,786$380K0.0%-28.3%0.011%
2/17/2025D. E. Shaw & Co. Inc.48,198$2.70M0.0%+1,022.4%0.078%
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2/17/2025Deutsche Bank AG48,745$2.73M0.0%+46.5%0.079%
2/17/2025Driehaus Capital Management LLC1,290,975$72.27M0.6%-0.7%2.101%
2/17/2025Crestline Management LP25,062$1.40M0.0%+31.9%0.041%
2/17/2025Bridgefront Capital LLC4,604$258K0.1%N/A0.007%
2/17/2025Baker BROS. Advisors LP6,084,249$340.60M3.6%-4.9%9.900%
2/17/2025Balyasny Asset Management L.P.138,363$7.75M0.0%N/A0.225%
2/17/2025Bellevue Group AG23,596$1.32M0.0%+50.3%0.038%
2/17/2025BNP Paribas Financial Markets85,249$4.77M0.0%+491.0%0.139%
2/17/2025Ameriprise Financial Inc.53,367$2.99M0.0%+27.4%0.087%
2/17/2025Algert Global LLC41,551$2.33M0.1%-23.3%0.068%
2/14/2025Comerica Bank17,113$958K0.0%-2.5%0.028%
2/14/2025PDT Partners LLC43,583$2.44M0.2%+279.0%0.071%
2/14/2025Schonfeld Strategic Advisors LLC59,700$3.34M0.0%+95.5%0.097%
2/14/2025Northern Trust Corp545,314$30.53M0.0%+9.4%0.887%
2/14/2025The Manufacturers Life Insurance Company 59,969$3.36M0.0%+23.1%0.098%
2/14/2025Tudor Investment Corp ET AL15,245$853K0.0%N/A0.025%
2/14/2025Artia Global Partners LP50,000$2.80M1.0%N/A0.081%
2/14/2025Aquatic Capital Management LLC9,223$516K0.0%N/A0.015%
2/14/2025Virtus ETF Advisers LLC6,280$352K0.1%-15.4%0.010%
2/14/2025Lord Abbett & CO. LLC160,651$8.99M0.0%+56.5%0.261%
2/14/2025Voya Investment Management LLC97,169$5.44M0.0%-5.5%0.158%
2/14/2025Hood River Capital Management LLC643,691$36.03M0.5%+4.7%1.047%
2/14/2025Price T Rowe Associates Inc. MD685,152$38.36M0.0%+24.5%1.115%
2/14/2025Dark Forest Capital Management LP5,211$292K0.0%N/A0.008%
2/14/2025Silverarc Capital Management LLC273,896$15.33M3.4%+7.2%0.446%
2/14/2025Diadema Partners LP75,000$4.20M1.8%N/A0.122%
2/14/2025Hsbc Holdings PLC16,287$921K0.0%N/A0.027%
2/14/2025Rock Springs Capital Management LP1,162,718$65.09M2.5%-5.3%1.892%
2/14/2025Stifel Financial Corp19,516$1.09M0.0%-1.6%0.032%
2/14/2025Tower Research Capital LLC TRC 4,539$254K0.0%+1,100.8%0.007%
2/14/2025MetLife Investment Management LLC33,498$1.88M0.0%+5.8%0.055%
2/14/2025Natixis997$56K0.0%-91.1%0.002%
2/14/2025First Trust Advisors LP118,337$6.63M0.0%+67.2%0.193%
2/13/2025Farringdon Capital Ltd.6,854$384K0.2%N/A0.011%
2/13/2025Marshall Wace LLP692,803$38.78M0.0%+70.4%1.127%
2/13/2025EAM Global Investors LLC56,936$3.19M0.6%N/A0.093%
2/13/2025EAM Investors LLC63,078$3.53M0.5%N/A0.103%
2/13/2025Walleye Capital LLC144,342$8.08M0.0%N/A0.235%
2/13/2025XTX Topco Ltd7,605$426K0.0%N/A0.012%
2/13/2025Mariner LLC4,525$254K0.0%N/A0.007%
2/13/2025Barclays PLC135,397$7.58M0.0%+27.3%0.220%
2/13/2025Raymond James Financial Inc.3,892$218K0.0%N/A0.006%
2/13/2025Legal & General Group Plc51,803$2.90M0.0%-7.6%0.084%
2/13/2025Invesco Ltd.302,846$16.95M0.0%+14.5%0.493%
2/13/2025ADAR1 Capital Management LLC30,941$1.73M0.3%N/A0.050%
2/13/2025Federated Hermes Inc.1,549,635$86.75M0.2%-6.9%2.521%
2/13/2025Wells Fargo & Company MN37,324$2.09M0.0%+26.6%0.061%
2/12/2025Cinctive Capital Management LP82,755$4.63M0.2%N/A0.135%
2/12/2025Bryce Point Capital LLC19,607$1.10M0.3%N/A0.032%
2/12/2025Trexquant Investment LP7,798$437K0.0%N/A0.013%
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2/12/2025Geode Capital Management LLC1,255,799$70.32M0.0%0.0%2.043%
2/12/2025Franklin Resources Inc.268,205$15.01M0.0%+3.4%0.436%
2/12/2025Alliancebernstein L.P.61,470$3.44M0.0%+3.2%0.100%
2/12/2025Wellington Management Group LLP25,555$1.43M0.0%-7.8%0.042%
2/12/2025Pictet Asset Management Holding SA375,349$21.01M0.0%+14.0%0.611%
2/12/2025Norges Bank205,649$11.51M0.0%N/A0.335%
2/12/2025Loomis Sayles & Co. L P618,485$34.62M3.7%-2.8%1.006%
2/12/2025JPMorgan Chase & Co.264,585$14.81M0.0%+224.3%0.430%
2/11/2025Corebridge Financial Inc.27,220$1.52M0.0%-7.0%0.044%
2/11/2025Vanguard Group Inc.3,442,600$192.72M0.0%-0.2%5.601%
(Data available from 1/1/2016 forward)

RYTM Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of RYTM shares?

During the previous two years, 195 institutional investors and hedge funds held shares of Rhythm Pharmaceuticals. The most heavily invested institutionals were Primecap Management Co. CA ($367.86M), Baker BROS. Advisors LP ($340.60M), Vanguard Group Inc. ($192.72M), Perceptive Advisors LLC ($141.52M), Frazier Life Sciences Management L.P. ($104.67M), State Street Corp ($104.42M), and RA Capital Management L.P. ($93.60M).Learn more on RYTM's institutional investors.

Which institutional investors have been buying Rhythm Pharmaceuticals stock?

Of the 164 institutional investors that purchased Rhythm Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Perceptive Advisors LLC ($1.95M), Healthcare of Ontario Pension Plan Trust Fund ($1.14M), VR Adviser LLC ($1.09M), Braidwell LP ($843.09K), Great Point Partners LLC ($772K), Polar Capital Holdings Plc ($750K), and Loomis Sayles & Co. L P ($636.63K).

How much institutional buying is happening at Rhythm Pharmaceuticals?

Institutional investors have bought a total of 17,648,436 shares in the last 24 months. This purchase volume represents approximately $642.91M in transactions.

Which Rhythm Pharmaceuticals major shareholders have been selling company stock?

Of the 78 institutional investors that sold Rhythm Pharmaceuticals stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Federated Hermes Inc. ($4.11M), Primecap Management Co. CA ($1.42M), Assenagon Asset Management S.A. ($643.97K), Frazier Life Sciences Management L.P. ($547.14K), Commodore Capital LP ($525K), Nisa Investment Advisors LLC ($373.06K), and Baker BROS. Advisors LP ($314.12K).

How much institutional selling is happening at Rhythm Pharmaceuticals?

Institutional investors have sold a total of 10,684,844 shares in the last 24 months. This volume of shares sold represents approximately $388.12M in transactions.


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This page (NASDAQ:RYTM) was last updated on 5/1/2025 by MarketBeat.com Staff
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